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56297158620 = 22355317703509
BaseRepresentation
bin110100011011100100…
…100111011111011100
312101022110000222021220
4310123210213133130
51410244033033440
641510151253340
74032044644533
oct643344473734
9171273028256
1056297158620
112196a30757a
12aab197a250
1354025801a1
142a20bb331a
1516e76298d0
hexd1b9277dc

56297158620 has 48 divisors (see below), whose sum is σ = 160606242720. Its totient is φ = 14729318656.

The previous prime is 56297158597. The next prime is 56297158681. The reversal of 56297158620 is 2685179265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8848575 + ... + 8854934.

It is an arithmetic number, because the mean of its divisors is an integer number (3345963390).

Almost surely, 256297158620 is an apocalyptic number.

It is an amenable number.

56297158620 is an abundant number, since it is smaller than the sum of its proper divisors (104309084100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56297158620 is a wasteful number, since it uses less digits than its factorization.

56297158620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17703574 (or 17703572 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 56297158620 in words is "fifty-six billion, two hundred ninety-seven million, one hundred fifty-eight thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 17703509 35407018 53110527 70814036 88517545 106221054 177035090 212442108 265552635 354070180 531105270 938285977 1062210540 1876571954 2814857931 3753143908 4691429885 5629715862 9382859770 11259431724 14074289655 18765719540 28148579310 56297158620